Milk-bottle stopper.



ANTONIO S. ENNES, OF OAKLAND, CALIFORNIA, ASSIGNOR 0F ONE-HALF TOJOAQUIN M. COSTA, 0F MILL VALLEY, CALIFORNIA.

MILK-BOTTLE STOPPEB.

menace.

Specificatiers Patent. Patented Sept. 26, 1916.

Application filed November 18, 1914.. Serial No. 872,801.

To all whom it may concern:

Be it known that I, ANTONIO S. Emma, a citizen of the United States,residing at Oakland, in the county of Alameda and State of California,have invented certain new and useful Improvements in Milk-BottleStoppers; and I do hereby declare the following to be a full, clear, andexact de-.

script-ion of the invention, such as will enable others skilled in theart to which it appertains to make and use the same.

This invention relates to new and useful improvements in milk bottlestoppers and has for its principal object to provide a device which willeffectivelyprotect the neck of a milk bottle against any accumulation ofdirt or dust within the mouth thereof.

Another object of the invention is to provide a'cap which will be lockedin place and held firmly against accidental displacement. A furtherobject of the invention is to provide a metallic milk bottle stopperwhich is so constructed that the milk" contained within the bottle atnotime comes in con tact therewith.

With these and other objects in view, the invention consists in thenovel combination and arrangement of parts which Will be fully set forthin the following specification and accompanying drawing, in which,

Figure 1 is a fragmentary sectional view of a milk bottle and stopperillustrating the.

same before the stopper is in place, Fig. 2

is a view similar to Fig. 1 illustrating the stopper placed in positionwithin the bottle, and Fig. 3 is a view similar to Fig. 1 illustratingthe stopper in its locked position within the bottle neck.

Referring now to the drawing by characters of reference, the numeral 1designates as an entirety a milk bottle of the usual construction whichis formed with the usual neck 2 having formed at its upper end the bead3. The cooperating head 4 extends upwardly from the bead 3 and the inneredge of this cooperating bead becomes flush with the inner wall 5 of thebottle neck. This inner wall is inclined inwardly to form the shoulder6, the use of which will appear as the description proceeds.

The bottle stopper which is designated generally by the numeral 7comprises the disk 8 which is concavo-convex in form and at 10 and isarranged to conform to the shape of the head 4 hereinbefore referred to.In order to protect the contents of the bottle from the nipple of thestopper 7 there 18 provided the paper disk 11 which is of greaterdiameter than the disk 8 and is designed to overlie the face of the diskwhich is exposed to the contents of the bottle.

It will be apparent from the foregoing that in use the disk 11 is firstplaced in position on the bottle neck as illustrated in Fig. l and thestopper 7 is then placed on top thereof and forced inwardly into theposition illustrated in Fig. 2. Inthis position it will be apparent thatthe disk will be forced into separate position so as to protect thecontents of the bottle and prevent thelsame from coming in contact withthe stopper so that any contamination due to the chemical action of thecontents of the bottle against the metal will be eliminated. In ordertolock the bottle cap in place, the raised portion of the disk 8 ispressed downwardly so that it expands and forces the side wall 9 intothe bottle neck beneath the shoulder 6 to form a slight outwardextension as at 12 which will efi'ectively prevent the bottle stopperfrom being accidentally removed. 1

From the foregoing it will be apparent that a particularly simple andefficient bottle stopper is provided which will effectively shown anddescribed the preferred embodiment of this invention, it is to beunderstood that such changes may be made in the combination andarrangement of parts as will fall within the spirit and scope of theappended claim.

What is claimed is The combination with a bottle neck having a beadadjacent its upper end, a cooperating bead extending upwardly from thefirst named bead the inner wall of the last named bead being inclined atits point of connection with the wall of the bottle neck to form ashoulder, of a metal stopper having a. disk formed of metal, said diskprovided with anoncavo-eonvex base, an upstanding peripheral annularflange formed around said base, the upper edge of said flange beingcurved downwardly over the upper bead of the bottle neck, the edge ofsaid flange resting upon the first named bead of the bottle neck and thebase adapted

